21 lines
1.4 KiB
Markdown
21 lines
1.4 KiB
Markdown
[complex]
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# 29 Numerics library [[numerics]](./#numerics)
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## 29.4 Complex numbers [[complex.numbers]](complex.numbers#complex)
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### 29.4.3 Class template complex [complex]
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[ð](#lib:complex)
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namespace std {template<class T> class complex {public:using value_type = T; constexpr complex(const T& re = T(), const T& im = T()); constexpr complex(const complex&) = default; template<class X> constexpr explicit(*see below*) complex(const complex<X>&); constexpr T real() const; constexpr void real(T); constexpr T imag() const; constexpr void imag(T); constexpr complex& operator= (const T&); constexpr complex& operator+=(const T&); constexpr complex& operator-=(const T&); constexpr complex& operator*=(const T&); constexpr complex& operator/=(const T&); constexpr complex& operator=(const complex&); template<class X> constexpr complex& operator= (const complex<X>&); template<class X> constexpr complex& operator+=(const complex<X>&); template<class X> constexpr complex& operator-=(const complex<X>&); template<class X> constexpr complex& operator*=(const complex<X>&); template<class X> constexpr complex& operator/=(const complex<X>&); };}
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L347)
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The classcomplex describes an object that can
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store the Cartesian components,real() andimag(),
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of a complex
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number[.](#1.sentence-1)
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